Provides services related to activating and deactivating handlers within the workbench.
This interface is not intended to be implemented or extended by clients.
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* @since 3.1 */ public final void activateHandler() { if (handlerActivation == null) { final IHandler handler = new ShowViewHandler(getId()); final IHandlerService handlerService = (IHandlerService) PlatformUI.getWorkbench().getService(IHandlerService.class); handlerActivation = handlerService .activateHandler(getId(), handler); } }